undershot water wheel下: below; down; under; undernea ...冲: powerful; with vim and vigou ...水轮: water wheels下冲式水轮: undershot water wheel; undershot wheel水轮的中部冲水式: breasting下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:下冲水轮,即可在微信中查询翻译